- Vendor / Project
- Microsoft
- Product
- Windows
- Date added
- Nov 3, 2021
- Due date
- May 3, 2022
- Known ransomware use
- Unknown
- CWEs
- —
Description
Microsoft Windows DNS Servers fail to properly handle requests, allowing an attacker to perform remote code execution in the context of the Local System Account. The vulnerability is also known under the moniker of SIGRed.
Required action
Apply updates per vendor instructions.
Notes
- Reference CISA's ED 20-03 (https://www.cisa.gov/news-events/directives/ed-20-03-mitigate-windows-dns-server-remote-code-execution-vulnerability-july-2020-patch-tuesday) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 20-03. https://nvd.nist.gov/vuln/detail/CVE-2020-1350